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JSON Schema Validator
Check that JSON data matches a JSON Schema and see every validation error with its location.
- Runs in your browser
- Instant results
- Free, no sign-up
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How to use the JSON Schema Validator
- Paste the JSON Schema on the left.
- Paste the JSON data on the right.
- Read the result; errors show the path and the failed rule.
Frequently asked questions
Which drafts are supported?
Draft-07 and draft 2019-09/2020-12. The draft is picked from $schema, or you can choose it.
Why do I see several errors at once?
All errors are collected, so you can fix everything in one pass.
Is my data private?
Yes. Validation runs in your browser.